Doctor profile · Federal record

Dr. Karyn Carpenter, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · West Islip, NY

  • NPI 1922363910
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Montauk Hwy
West Islip, NY 117954927
(631) 376-4045

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
New York #F336491

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922363910. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18
Distinct HCPCS
1
Medicare allowed
$1,518
HCPCS Description Services Patients Avg allowed
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 18 18 $84

In context: peer comparison

Among 7 peers in West Islip Family Nurse Practitioner, average services per provider: 29. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Mallinckrodt Hospital Products INC. 1 $17.63

By nature of payment

Food and Beverage
$18

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karyn Carpenter's medical specialty?
Dr. Karyn Carpenter practices Family Nurse Practitioner in West Islip, NY.
Where does Dr. Karyn Carpenter practice?
Dr. Karyn Carpenter practices at 1000 Montauk Hwy, West Islip, NY 117954927. Office phone: 6313764045.
What is Dr. Karyn Carpenter's NPI?
Dr. Karyn Carpenter's National Provider Identifier (NPI) is 1922363910, issued by NPPES.
Does Dr. Karyn Carpenter accept Medicare assignment?
Yes. Dr. Karyn Carpenter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karyn Carpenter commonly perform?
Top Medicare-reported procedures in 2023: Insertion of non-tunneled central venous tube for infusion (5 years or older) (HCPCS 36556). Source: CMS Medicare Physician & Other Practitioners file.